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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 11, 2004
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Open Help Requests for GM
Help Request Answers
1994 Chevrolet K1500 5.7L Stall VIN: 2GCEK19K9R
Hi Everyone, I am trying to set the ignition timing on this truck and I can't find the set timing connector. I thought I might try tracing the circuit to find it but my Mitchell diagrams don't show it at all. Does it just open the EST bypass line? Any informat...
2000 Chevrolet Silverado 2500 6.0L tcc VIN: 1GCGK24U3Y
Customer brought vehicle in about 3 weeks ago stating hard shifts after pulling his boat. Scanned with snappy and got 1870. I replaced the tcc regulator valve with a sonnax valve. A couple days later he called saying it was doing the same thing. I scanned agai...
2004 Chevrolet Silverado 2500 HD 6.0L air bag VIN: JNK45TREER
accident damaged truck replaced air bags and seat belts etc ... the question is does any one found away to program the new air bag module with out using a tech 2 scanner? I have heard that the mastertech is able to use TIS 2000 (any one tried that?) can TIS 20...
1994 Oldsmobile Achieva S 3.1L No Start VIN: 1G3NL53M5R
Customer Towed Car in complaining of engine cutout during driving. After a few minutes car would start drive a few Km and cutout. No codes and check engine light is not on. Came into shop this morning, car started for about a minute then cutout, Cranks ok but ...

Fixes & Summaries for GM
Fix/Summary Answers
1979 Cadillac Seville 5.7L No Start
OK it's FIXED!! Hooray! Thanks again to all who replied. Big kudos go to Bruce, who sent me the info I needed; and to Glen who verified my suspiscion that I was missing at least on signal from the dist. The two magnetic sensors weren't doing much for a signal,...
1996 Chevrolet Cavalier Z24 2.4L Poor Idle Quality, Hesitation, Misfire VIN: 3G1JF12T9T
thanks for all the replies, but after trying all day to get the car to act up it just wouldn't. customer needeed car and said would bring back if acted up again, thanks again for all of the replies Trouble codes: P1171 (fuel system lean during acceleration).
1997 Chevrolet P30 5.7L Misfire, MIL Lamp on VIN: 1GPKP32R2V
After allowing the vehicle to sit outside in the cold (30's) code P0340- cam position sensor problem, would reset as soon as the engine started. Scaning the data showed -38 degrees cam sensor setting. The prior day, without moving the dist., the reading had be... Trouble codes: P0161 (O2 Heater ckt problem --bank 2 sensor 2), P0341 (CMP sensor circuit out of range), P0340 (Camshaft position sensor problem), P1406 (EGR pintle position ckt. problem).
2000 GMC Sierra 1500 SL 5.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 2GTEK19T41
thanks for all the help. the right cat had 4.5# of back pressure. replaced cats with gm factory cats, drove vehicle, lost misfires. Trouble codes: P0300.
2000 GMC Sierra 1500 SL 5.3L Surge, Misfire, MIL Lamp on VIN: 2GTEK19T41
thanks for all the help. right cat had 4.5# of back pressure. replaced cats with gm factory cats, drove vehicle, and lost misfires. Trouble codes: P0300.
2003 GMC Envoy SLT 4.2L Transmission VIN: 1GKDS13S83
Many thanks to all the replies I recieved, we installed a Ignition switch as most said ! So-Far so good. All the best Joe
1997 Saturn SC1 1.9L Mounts? VIN: 1G8ZH528XW
Thanks to all who replied. The right side motor mount did the trick. The customer's happy and so am I. This sight is the greatest thing since sliced bread. Brad
1999 Saturn SL2 1.9L No Start VIN: 1G8ZK5278X
Well this one is down the road, I had checked the harnness for opens and made sure the grounds were good and swapped the relays before I posted my help request. Thanks to all that replied,a special thanks to Duane for the correct relay termial id and to Ray fo...
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